<template>
	<view class="goods-detail-total" v-if="goods_info.goods_name">
		<swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" circular="true">
			<swiper-item v-for="(item,i) in goods_info.pics" :key="i">
				<image :src="item.pics_big" @click="preview(i)"></image>
			</swiper-item>
		</swiper>
		<view class="goods-info-box">
			<view class="price">￥{{goods_info.goods_price}}</view>
			<view class="goods-info-body">
				<view class="goods-name">{{goods_info.goods_name}}</view>
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<view class="yf">快递：免运费</view>
		</view>
		<rich-text :nodes="goods_info.goods_introduce"></rich-text>
		<view class="goods-nav">
			<uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick"
				@buttonClick="buttonClick" />
		</view>
	</view>
</template>

<script>
	import {
		mapState,
		mapMutations,
		mapGetters
	} from 'vuex'

	export default {
		computed: {
			...mapState('m_cart', []),
			...mapGetters('m_cart', ['total'])
		},
		watch: {
			total: {
				handler(newVal) {
					const findResult = this.options.find(x => x.text === '购物车')
					if (findResult) {
						findResult.info = newVal
					}
				},
				immediate: true,
			}
		},
		data() {
			return {
				goods_info: {},
				options: [{
					icon: 'headphones',
					text: '客服'
				}, {
					icon: 'shop',
					text: '店铺',
				}, {
					icon: 'cart',
					text: '购物车',
					info: 0,
					infoBackgroundColor: '#C00000',
					infoColor: 'white'

				}],
				buttonGroup: [{
					text: "加入购物车",
					backgroundColor: '#ff0000',
					color: '#fff'
				}, {
					text: '立即购买',
					backgroundColor: '#ffa200',
					color: '#fff'
				}]
			};
		},
		methods: {
			...mapMutations('m_cart', ['addToCart']),
			async getGoodsDetail(goods_id) {
				const res = await uni.$http.get('/api/public/v1/goods/detail', {
					goods_id
				})
				if (res.data.meta.status !== 200) return uni.$showMsg()
				res.data.message.goods_introduce = res.data.message.goods_introduce.replace(/<img /g,
					'<img style="display:block;"')
				this.goods_info = res.data.message
			},
			preview(i) {
				uni.previewImage({
					current: i,
					urls: this.goods_info.pics.map(x => x.pics_big)
				})
			},
			onClick(e) {
				if (e.content.text === '购物车') {
					uni.switchTab({
						url: '/pages/cart/cart'
					})
				}
			},
			buttonClick(e) {
				if (e.content.text === "加入购物车") {
					const goods = {
						goods_id: this.goods_info.goods_id,
						goods_name: this.goods_info.goods_name,
						goods_price: this.goods_info.goods_price,
						goods_count: 1,
						goods_small_logo: this.goods_info.goods_small_logo,
						goods_state: true
					}
					this.addToCart(goods)
				}
			}
		},
		onLoad(options) {
			const goods_id = options.goods_id
			this.getGoodsDetail(goods_id)
		}
	}
</script>

<style lang="scss">
	swiper {
		height: 750rpx;

		image {
			width: 100%;
			height: 100%;
		}
	}

	.goods-info-box {
		padding: 10px;
		padding-right: 0px;
	
	.price {
			color: #c00000;
		}

		.goods-info-body {
			display: flex;
			justify-content: space-between;

			.goods-name {
				font-size: 13px;
				margin-right: 10px;
			}

			.favi {
				width: 120px;
				font-size: 12px;
				display: flex;
				flex-direction: column;
				align-items: center;
				justify-content: center;
				border-left: 1px solid #efefef;
				color: gray;
			}
		}

		.yf {
			font-size: 12px;
			color: gray;
			margin: 10px 0;
		}

	}

	.goods-nav {
		position: fixed;
		bottom: 0;
		left: 0;
		width: 100%;
	}

	.goods-detail-total {
		padding-bottom: 50px;
	}
</style>
